| /* |
| * Copyright (C) 2012 Igalia S.L. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef GtkInputMethodFilter_h |
| #define GtkInputMethodFilter_h |
| |
| #include "GRefPtrGtk.h" |
| #include "IntRect.h" |
| #include <gdk/gdk.h> |
| #include <wtf/text/WTFString.h> |
| |
| typedef struct _GtkIMContext GtkIMContext; |
| typedef struct _GtkWidget GtkWidget; |
| |
| namespace WebCore { |
| |
| class GtkInputMethodFilter { |
| public: |
| GtkInputMethodFilter(); |
| ~GtkInputMethodFilter(); |
| |
| bool filterKeyEvent(GdkEventKey*); |
| void notifyMouseButtonPress(); |
| void notifyFocusedIn(); |
| void notifyFocusedOut(); |
| void resetContext(); |
| void setEnabled(bool); |
| |
| void handleCommit(const char* compositionString); |
| void handlePreeditChanged(); |
| void handlePreeditStart(); |
| void handlePreeditEnd(); |
| |
| void confirmComposition(); |
| void cancelContextComposition(); |
| void updatePreedit(); |
| void setCursorRect(const IntRect& location); |
| |
| GtkIMContext* context() { return m_context.get(); } |
| |
| enum EventFakedForComposition { |
| EventFaked, |
| EventNotFaked |
| }; |
| |
| protected: |
| enum ResultsToSend { |
| Preedit = 1 << 1, |
| Composition = 1 << 2, |
| PreeditAndComposition = Preedit + Composition |
| }; |
| |
| void setWidget(GtkWidget*); |
| virtual bool canEdit() = 0; |
| virtual bool sendSimpleKeyEvent(GdkEventKey*, WTF::String eventString = String(), EventFakedForComposition = EventNotFaked) = 0; |
| virtual bool sendKeyEventWithCompositionResults(GdkEventKey*, ResultsToSend = PreeditAndComposition, EventFakedForComposition = EventNotFaked) = 0; |
| virtual void confirmCompositionText(String composition) = 0; |
| virtual void confirmCurrentComposition() = 0; |
| virtual void cancelCurrentComposition() = 0; |
| virtual void setPreedit(String, int cursorOffset) = 0; |
| |
| WTF::String m_confirmedComposition; |
| WTF::String m_preedit; |
| int m_cursorOffset; |
| |
| private: |
| void sendCompositionAndPreeditWithFakeKeyEvents(ResultsToSend); |
| |
| GRefPtr<GtkIMContext> m_context; |
| GtkWidget* m_widget; |
| bool m_enabled; |
| bool m_composingTextCurrently; |
| bool m_filteringKeyEvent; |
| bool m_preeditChanged; |
| bool m_preventNextCommit; |
| bool m_justSentFakeKeyUp; |
| unsigned int m_lastFilteredKeyPressCodeWithNoResults; |
| IntPoint m_lastCareLocation; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // GtkInputMethodFilter_h |